/**
 * 
 */
package com.xb.demo17.observer.javautil;

import java.util.Observable;
import java.util.Observer;

/**
 * @author kexue
 *
 */
public class JdUtilObserver implements Observer{
	 
	public void update(Observable o, Object arg) {
		 System.out.println(o+" find change :"+ arg);
	}

}
